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You searched for: mediatype:texts AND collection:magazine_rack AND subject:"Amateur Radio"
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[texts]73 Magazine (Holiday 1976) - Wayne Green
73 Magazine (Holiday Issue 1976) (#195) Build This Inexpensive 400 Watt Amplifier - a pair of shoes never hurts W7SCD How Do You Use ICs? - part V WA2SUT/ NNN0ZVB Mobile Smokey Detector - 10.5 GHz:use it or lose it W1SNN Get a Kid Off the Streets - and in to ham radio WA1GFJ Add RIT to Your Transceiver - a must for CW operators Staff Coronaries for Burglars - with this cheapo car alarm WB60DS Power Supply - versatile WB4EHG DXpedition : Memories for a Lifetime - reflections of HKITL K3JJZ Secret...
Keywords: amateur radio ham magazine pdf
Downloads: 2,550
[texts]73 Magazine (December 2000) - Wayne Green
73 Magazine (December 2000) (#481) Announcing the Yingling ET-1 - W2UW More than a Modem Monitor- W7RXV , Inside DigitalTVNCR Tuners - W6WTU Part 4 Skinflint Lightning Arrestors - K8IHQ Angel Voices- KC6JGS Introducing the Perfective 1 - Laughlin
Keywords: 73-magazine; ham; radio; amateur radio; magazine
Downloads: 1,255
[texts]73 Magazine (December 1988)
73 Magazine December 1998 (#459) Probing Auto Electronics - Help your neighbor identify his car's problem and be an electronic's hero! ...... W6WTU 10 Announcing the QRPeanut - Here's a compact QRP transmatch you can build for next to nothing ...... N5GZH 14 Keys to Better Operating - Yes, much of it is common sense ...... W6BNB 17 Electronic Bug Emulator - Put some personality back into your CW ........
Keywords: radio; amateur; antenna; mhz; frequency; battery; icom; amateur radio; feedback card; power supply; ham radio; packet radio; antenna tuner
Downloads: 3,028
[texts]73 Magazine (September 1987)
73 Magazine September 1987 (#324) Radio At Green Bank - This remote site in West Virginia is home to one of the most impressive collections of radio antennas in the world ...... AJ0N 16 A Foldover Cheapie - Convert scrap water pipe to a 40-foot fold-over antenna tower! ...... KF4BI 19 Out-of-the-Ordinary QTH's - Here are some ideas to help you gel out on your portable antenna - when you really need to ........
Keywords: radio; antenna; amateur; mhz; antennas; repeater; vhf; band; amateur radio; power supply; green bank; packet radio; kansas city; ham radio
Downloads: 2,426
[texts]73 Magazine (July 1988)
73 Magazine July 1988 (#334) Code Test Sure Shot - Pass 5wpm without learning code! ...... KA0NTK(SK) 10 Sequential Two-Tone Encoder - Easy encoder project ...... WB7CPT 14 Novice Band Nets - Check in and upgrade, too ...... W6DDB 18 How To Improve Code Speed - Learn from others' hard work ...... W9NGP 21 Direction Finding Loop - T-hunt antenna in a can ...... WA4UZM 22 Morse Code Motivation - Pointers for teachers from a teacher ........
Keywords: radio; amateur; mhz; code; antenna; net; ham; frequency; amateur radio; morse code; ham radio; feedback card; power supply; packet radio
Downloads: 2,473
[texts]73 Magazine (November 1990)
73 Magazine November 1990 (#362) The Roll-Up 10-20 Antenna - Just right for portable QRP ...... WV8R 12 Working the World with 2 Milliwatts - The ultimate QRP challenge ...... KI6DQ 14 The FIRE-BALL QRP Rig - 50 milliwatts of pure power ...... WB8ELK 18 The Firecaler Milliwattmeter - Calibrate your mini-QRP rig ...... WB0ESV 22 The Smoke Detector Receiver - Turn the FIRE-BALL into a complete transceiver ........
Keywords: radio; amateur; antenna; mhz; ham; repeater; meter; power; amateur radio; radio today; feedback card; ham radio; power supply; front panel
Downloads: 2,962
[texts]73 Magazine (November 1989)
73 Magazine November 1989 (#350) Sing for the unsung Heroes - Let's recognize our clubs selfless volunteers! ...... K5CVD 36 1989 Holiday Wish List - Some of the best values for holiday gifts ...... 73 Staff 60 FLAVORIG! - Have a Radio Shack Flavoradio? Turn it into a 80-meter CW transceiver! ...... KBlUM 12 The Bitchaser - Build this versatile piece of test equipment for digital circuitry ...... K4OND 18 Bargain Audio Frequency Meter - $10 and an easy evening of home-brew gets you this very use...
Keywords: radio; amateur; mhz; antenna; frequency; ham; amateur radio; feedback card; ham radio; power supply; dual band; radio shack
Downloads: 3,496
[texts]73 Magazine (March 1983)
73 Magazine March 1983 (#270) RTTY Tuning: The New Solution - This simple tuning indicator whipped the competition and took first place in 73's Home-Brew II Contest ...... WB2OSZ 10 Uncover Equipment for OSCAR Phase III - lurking in flea markets and junk boxes is everything you need to work OSCAR. K6KLY tells what to look for and how to make it work ...... K6KLY 18 Up and Coming: Direct-Broadcast Satellites - Part II looks at the technical problems with communications at 12 GHz, which may be a o...
Keywords: antenna; amateur; frequency; mhz; radio; ihe; audio; magazine; receiver; amateur radio; toll free; power supply; gmt march; radio shack; ham radio; radio club; qso party
Downloads: 2,111
[texts]73 Magazine (February 1994)
73 Magazine February 1994 (#401) VHF Meteor Scatter Propagation - Bounce your signal beyond the horizon ...... WB2WIK/6 10 Using the World's Most Accurate Frequency Standard, Part 2 - Building a digital phase comparator ...... K9EUI 18 Computer Control for Your Direct Digital Synthesis (DDS) VFO - Free yourself of the hassles of generating an accurate and stable sinusoidal signal-and more! ...... VE1ABC 26 ASCII-to-Morse-Code Interface - Let your keyboard do the work ........
Keywords: radio; amateur; frequency; mhz; antenna; power; meter; ham; amateur radio; radio today; ham radio; power supply; feedback card; case set; matching case; meteor scatter
Downloads: 3,243
[texts]73 Magazine (May 1996)
73 Magazine May 1996 (#428) Build the Bioelectrifier - Heal yourself and take a poke at the medical establishment the same time! ...... WA8YKN 10 Belcher Islands DXpedition - Take off to the Great White North ...... VE3WFS 20 A 220 Super J-Pole Antenna - 220 -Use it or loose it. Here's a simple, inexpensive one-hour building project ...... KA0NAN 26 The Difference Is Dedication - Ham radio Saves four communities ........
Keywords: antenna; radio; amateur; mhz; frequency; power; hams; ham; meter; amateur radio; radio today; feedback card; case set; matching case; power supply; test equipment; flea market
Downloads: 1,959
[texts]73 Magazine (July 1997)
73 Magazine July 1997 (#442) ATV is Here to Stay! - Getting started with amateur television ...... W5ACM 10 How to See What You Hear - Warning! This is easy! ...... KC5ODM 14 C-Band low Noise Amplifier - Use discarded satellite receiver parts to soup up your ATV system ...... WD5BQN 19 Video Titlers for ATV - If you're serious about ATV, a video titler is the way to go ...... N5JXO 21 Antennas for Amateur Television, Part 1 - An overview of the most useful ........
Keywords: amateur; radio; antenna; atv; ham; july; antennas; frequency; thai; amateur radio; radio today; ham radio; feedback card; power supply; heat sink; years ago; numerous areas
Downloads: 2,222
[texts]73 Magazine (August 1994)
73 Magazine August 1994 (#407) Stand-Alone DDS - The Kendraboard provides PC-free frequency control...... VA3BH 10 A Novel Dual-Band, Single Feedline, VHF/UHF Antenna - Good performance for less than a sawbuck ...... W7KOH 26 Design and Build a Dummy Antenna - A 40W, 50 ohm AF dummy load with a VSWR 1.3:1 at 500 MHz ...... VE5ZE 30 The Coleman (Mini)-Kilowatt - Extend your station's working range for next to nothing ........
Keywords: radio; amateur; antenna; mhz; ihe; frequency; ham; power; meter; amateur radio; radio today; ham radio; feedback card; power supply; packet radio; case set; front panel
Downloads: 2,188
[texts]73 Magazine (October 1995)
73 Magazine October 1995 (#421) The QRP Delight - A full-featured antenna tuner with built-in SWR meter ...... AD5X 10 DDS Dream VFO - Yes, you can build your own synthesizer! ...... KD1JV 14 Portable Solar Electric Power Generator - The sun is free for the using ...... K4SYU 20 Armstrong Updated - A high-performance, regenerative short-wave receiver ...... KC3ZQ 26 Link it All! - Why settle for operation on just two bands? ........
Keywords: radio; amateur; ham; mhz; frequency; antenna; repeater; receiver; hams; amateur radio; radio today; ham radio; feedback card; case set; matching case; solar panel; mars base
Downloads: 3,031
[texts]73 Magazine (April 1992)
73 Magazine April 1992 (#379) The Arrow Antenna - Hit the bull's-eye with this portable VHF sharp shooter ...... KA0VFF/N0IMW 10 The Plumber's Delight - A new look for the J-pole! ...... KB6EPO 16 The Flower Pot Special - Plant your antenna! ...... N1GPH 18 The Rock Bender QRP Transmitter - Win QSOs and influence crystals ...... WI5W 22 Monoband Yagi for 20 Meters - More dBs for the buck ...... AB4GX 30 The SAM1 Transverter - For the challenge of LF/VLF ........
Keywords: antenna; amateur; mhz; frequency; meter; amateur radio; repeater; radio; feedback card; radio today; call call; matching case; power supply; flea market; ham radio
Downloads: 2,662
[texts]73 Magazine (July 1994)
73 Magazine July 1994 (#406) The Global Positioning System - An overview ...... WA4BLC 10 World 's Smallest 10 GHz ATV Transmitter - Build one on a PCB using only a few components ...... HB9SLV, HB9RKR 16 EMI/RFI Defense Strategies for Hams - Keep those troublemaking signals out of your mobile installation ...... N7MGT 24 A Delayed Video Trigger for Your Oscilloscope - Convert your surplus scope ........
Keywords: radio; amateur; mhz; antenna; ihe; gps; ham; frequency; amateur radio; power; radio today; ham radio; feedback card; radio shack; cold fusion; power supply; pipe cap
Downloads: 2,499
[texts]73 Magazine (January 1982)
73 Magazine January 1982 (#256) Egad! A Nine-Tube Linear - results from the W7CSD test bed ...... W7CSD 12 Drama on Mt. McKinley - ice, snow, and amateur radio ...... W7KUF 18 The Simplex Autopatch - a telephone interface for everyone's two-meter rig! ...... WA7VZR 26 The Cheapskate - a checker for bargain diodes ...... K9QLL 30 Constant Current from a Voltage Regulator ...... WA4WDL 39 The Hesitator: A Windshield Wiper Control - a rainy day project ........
Keywords: amateur; mhz; antenna; frequency; radio; output; power; signal; satellite; amateur radio; power supply; hewlett packard; toll free; packard hewlett; signal generator; ham radio; front panel; call toll
Downloads: 3,303
[texts]73 Magazine (May 1995)
73 Magazine May 1995 (#416) Builder's Guide to the Universe - A beginner's guide to home-brewing ...... WB8VGE 10 Wart Remover - Build this easy module to eliminate unsightly wall parasites from your shack ...... WB8VGE 16 6 Meters-The In-Between Band - Excitement for all license classes ...... WB6NOA 34 A Foolproof Power Controller - Be prepared when the commercial power shuts off ...... KN4HL 40 K4SYU Loop Antenna - A compact, portable HF solution ........
Keywords: radio; ihe; amateur; antenna; mhz; meter; power; noise; ham; swr; amateur radio; radio today; power supply; ham radio; feedback card; case set; swr meter; noise reduction
Downloads: 2,578
[texts]73 Magazine (February 1995)
73 Magazine February 1995 (#413) Dual Bi-Square Loop for HF - Try this easy, low-cost approach on 20 and 2 meters ...... K5DKZ 18 Reading Morse Code on Your PC - Decipher Morse code right off the air, or improve your own fist ...... W6PRO 22 Cheap Dual-Band Yagi - A fine VHF/UHF beam made from old TV antennas ...... KA0NAN 46 Grounding and Lightning Protection, Part 1 - Protect your shack and yourself from lightning ........
Keywords: radio; antenna; amateur; mhz; frequency; ham; meter; antennas; power; amateur radio; radio today; ham radio; feedback card; morse code; output power; matching case; aluminum tubing
Downloads: 2,695
[texts]73 Magazine (August 1981)
73 Magazine August 1981 (#251) Wild Turkeys 1, FBI 0 - another foul-up from the feds ...... WA7UDO 12 Sailplanes on Six - these thermal-hunting hems have an edge on the competition ...... WB3BQO 20 The Supernova Station Organizer - in this project, four into one will go! ...... W3BYM 26 Kenwood's TR-9000 - the multi-mode 2-meter rig that's making SSBers out of VHFers ...... WB8BTH, N8RK 30 Butternut's HF5V-1II Vertical - this one really does work equally well in all directions ........
Keywords: antenna; amateur; radio; mhz; magazine; power; frequency; swr; tion; amateur radio; power supply; radio club; toll free; flea market; gmt august; call toll; noise bridge; ham radio
Downloads: 2,636
[texts]73 Magazine (November 1998)
73 Magazine November 1998 (#458) Build the Fox TTL Foxhunt Transmitter - Simple, inexpensive, and the end of your excuses for not trying T-hunting ...... AH2AR/8 10 The Evolution of Power Supplies - Part 1: dynamotors and vibrators ...... W6WTU 13 Surface Mount SW RF Booster - Easy-to-build design, plus high-pass filter to boot ...... Davidson 16 VHF/UHF Signal Source - There's always room for another piece of test equipment! ........
Keywords: ihe; amateur; radio; thai; signal; receiver; noise; antenna; frequency; amateur radio; radio today; power supplies; signal source; noise figure; power supply; web site; sine wave
Downloads: 2,374
[texts]73 Magazine (January 1994)
73 Magazine January 1994 (#400) Using the World's Most Accurate Frequency Standard, Part 1 - Building a receiver for WWVB ...... K9EUI 10 Micro IDer - An easy-to-build automatic Morse code station identifier ...... KA9SZW, Pointer 18 The "Hula Loop" - A stationary bidirectional hybrid three-element delta loop ...... NH6XK 30 The Quad Charger - A constant current NiCd charger ...... K4GOK 34 EASY-PC Printed Circuit Layout Software - Want to get into computer-aided design (CAD)? ........
Keywords: radio; amateur; antenna; mhz; repeater; ham; power; frequency; amateur radio; radio today; power supply; ham radio; feedback card; matching case; case set; flea market
Downloads: 3,103
[texts]73 Magazine (September 1998)
73 Magazine September 1998 (#456) The Ultimate Green Radio - great "Beginners Night" project! ...... W7DE 10 What's the Scoop on the Lazy Loop? - Here's how multi-band wire antennas measured up in real-world comparisons ...... WA2UGT 16 Intro to Superhets - Part 2: From oscillators to detectors ...... W5WTU 22 Building the NHRC-4 Linking Repeater Controller - And get with the program ...... N1KDO, KA1OKQ, N1LTL 28 Multibanding the Fracvert Half-Wave - Here's a wire vertical with surprising perfo...
Keywords: antenna; radio; amateur; ihe; signal; receiver; ham; audio; coax; amateur radio; radio today; ham radio; gamma match; web site; incoming signal; power supply; morse code
Downloads: 2,223
[texts]73 Magazine (December 1997)
73 Magazine December 1997 (#447) Distributed Capacity Folded Loop - This ceiling-mount antenna will really go to your head! ...... W6NBC 10 How to Silverplate RF Tank Circuits - A simple and inexpensive process to reduce losses ...... WB2CQM 18 Build Your First Kit! - Just follow one hams simple advice ...... N0BLX 24 Limited Space Antenna - Short of real estate? This might help! ...... HL9BK/K2KSY 27 How to Build A Great Ham Club - Good advice from the PR master ........
Keywords: amateur; radio; antenna; loop; ihe; ham; circuit; solder; kit; amateur radio; radio today; special event; ham radio; web site; power supply; ground plane; copper pipe
Downloads: 4,835
[texts]73 Magazine (May 1994)
73 Magazine May 1994 (#404) HI-PER Audio Filter - This project provides High-PERformance CW filtering ...... KC3ZQ 10 Speech Compression - Make a monster mike! ...... KB1UM 16 Fast Charger - Recharge NiCd and NiMH batteries in as little as 30 minutes ...... KN6PK 22 The Radar Gun Reality - Ham scientist testifies on electromagnetic radiation ...... K6UI 30 Improved QRP Keying Circuit - A slick fix for your little CW rig ........
Keywords: radio; mhz; amateur; antenna; power; ihe; ham; repeater; tor; amateur radio; radio today; ham radio; feedback card; power supply; fast charger; power station; police radar
Downloads: 2,940
[texts]73 Magazine (March 1991)
73 Magazine March 1991 (#366) Packet with the Microsats - The secrets of success ...... KI6QE 9 Weather Satellite Reception - Dust off your unused scanner ...... N6NHP 12 The Desert Voices Project - An overnight success story ...... KA1UKM 18 Elementary Mode S - Satellite fun on 2.4 GHz-the easy way! ...... KA9LNV 21 Touch-Tone Activated Scanner - So you won' t miss a call! ...... AA7Y 30 Two Meter EME Primer - Your guide to moonbounce action! ........
Keywords: amateur; radio; antenna; mhz; ham; eme; frequency; amateur radio; radio today; feedback card; ham radio; power supply; desert voices; flea market; weather satellite
Downloads: 2,178
[texts]73 Magazine (October 1982)
73 Magazine October 1982 (#265) The Splattometer - visual overmod warning ...... W1BG 10 Digital Basics - part II ...... K4IPV 20 Dissertation Upon Roast Pig - the ultimate in surplus? ...... N6TO 28 Got an Apple? Want RTTY? - try this hard-core interface ...... WB6FBN/4 34 The Pleasures and Perils of Crankup Towers - don't lose your head! ...... K4TWJ 40 The Incredible Antenna Mark 2 - a complete HF allbander in a very small space ........
Keywords: antenna; output; amateur; mhz; power; magazine; radio; ham; por; power supply; amateur radio; toll free; ham radio; radio shack; radio amateur; qso party; power supplies; radio club
Downloads: 3,682
[texts]73 Magazine (February 1988)
73 Magazine February 1988 (#329) Welcome, Newcomers! - Low power isn't always a disadvantage ...... KA1HY 4 Hamming Around - High tech trekking ...... KA8OVA 11 1750 Experimenters Band - Fun VLF transverter ...... WD4PLI 20 The Winners (Who says there's no action at 23 cm?) ...... 27 20 meter Mini Receiver - Super small superhet ...... K1BQT 28 Intro to 1750 meters - The lowdown on license-free fun ........
Keywords: radio; amateur; antenna; frequency; mhz; power; ham; khz; amateur radio; feedback card; power supply; ham radio; antenna tuner; front panel; calls calls; general coverage
Downloads: 2,215
[texts]73 Magazine (November 1995)
73 Magazine November 1995 (#422) Home-Brew Quagis - A novice can build these 2m and 440-MHz antennas for under $15 ...... KE6HVH 10 A Boy Scout's "Drab" Life - Teaching in a unique second language ...... KB7UIM 16 A Simple Wattmeter - How much does your equipment cost to power? ...... N7APE 20 The Capacitator - You'll get a charge out of this! ...... VK6BQN 22 Crystal-Controlled Audio Generator - Clean, reliable frequencies from junk box parts ........
Keywords: radio; antenna; amateur; mhz; frequency; meter; ihe; ham; repeater; amateur radio; radio today; case set; power supply; morse code; ham radio; feedback card; simple simplex
Downloads: 2,862
[texts]73 Magazine (February 1981)
73 Magazine February 1981 (#245) Winter Olympics Torch Run - a one-year perspective ...... KA2CNN/AAR2DE, KA2DBW 36 New Life for Old Klystrons - tips for microwave experimenters ...... WA4WDL 46 Add RTTY to Your Repeater - voice operation is preserved ...... WB4EMI 48 A Patch for the TS-120s - add phone patch compatibility ...... W5JJ 50 Successful Ham Classes - a guide for club organizers ...... WB1FOD 56 How FCC Rules Are Made - a labyrinthine tale ........
Keywords: mhz; frequency; antenna; amateur; power; repeater; magazine; radio; amateur radio; rtty; credit card; variable attenuator; power supply; gmt february; ham radio; frequency range; radio club; toll free
Downloads: 2,818
[texts]73 Magazine (May 1987)
73 Magazine May 1987 (#320) Repeater Renaissance - Digital audio technology will bring your repeater into the information age ...... WA6AXX 26 Packet RATS - This Resume-After-Transmit Scanner lets your IC-27A do double packet duty ...... WA3DNM 30 The Fakeroo - Can this kid really copy RTTY by ear, or is someone pulling the old fakeroo? ...... K9AZG 32 Semi-Rapid HT Charging - Give your ICOM HT an eight-hour charging option ........
Keywords: amateur; radio; mhz; repeater; antenna; icom; ihe; audio; digital; amateur radio; power supply; front panel; base station; antenna tuner; packet radio; gaas fet; circle number; voice recorder
Downloads: 2,390
[texts]73 Magazine (June 1981)
73 Magazine June 1981 (#249) Repeater at 102,000 Feet! - Canadian hams go up, up, and away ...... VE4FK 12 Digital Control for the Ham III Rotor - good-bye manual switching!...... WA0PBQ 18 Review: The Doppler Systems DDF-3003 - a review of the latest in direction-finding equipment from Doppler Systems ...... KA1LR 28 DF Breakthrough! - the "turkey" tracker we've all been waiting for ...... W7BEP 32 The History of Ham Radio - part XV ........
Keywords: amateur; radio; antenna; mhz; frequency; power; magazine; fcc; ham; amateur radio; power supply; type acceptance; toll free; front panel; radio club; teur radio; ham radio; radio service
Downloads: 2,273
[texts]73 Magazine (October 1991)
73 Magazine October 1991 (#373) The Sudden Receiver - A simple-to-build receiver for 160-20M ...... G3RJV 8 A 10M Sideband Transmitter - Add voice to your QRP station ...... NZ5G 14 Simple Gain Antenna for 903 MHz - Build it for under $25 ...... AD5X 27 Microprocessor Repeater Controller, Part I - Add versatility to your repeater system ...... WB3ESS 28 Low-Pass Antenna Tuner - Match your antenna while reducing harmonics with this unique design ........
Keywords: radio; amateur; mhz; antenna; repeater; frequency; ham; amateur radio; radio today; ham radio; feedback card; repeater controller; power supply; regular sale; radio shack
Downloads: 2,474
[texts]73 Magazine (January 1995)
73 Magazine January 1995 (#412) The Pyramid Antenna - Harness the power of this 10 meter workhorse ...... W9CGl 14 Using GE Progress Line Receiver Strips - A low-tech solution for many situations ...... KI5PGI 24 PTT Control from Receiver Audio - Here's an easy way to key a transmitter for remote or repeater operation ...... KB8XI 32 The 80/40/30m Tripole - It's a what? ...... W9CGI 36 The Yaesu FT-840 HF Transceiver - Enjoy a simple-to operate full-featured HF rig ........
Keywords: antenna; radio; amateur; ham; mhz; mfj; power; receiver; audio; frequency; amateur radio; radio today; power supply; ham radio; feedback card; dual band; matching case; case set
Downloads: 2,201
[texts]73 Magazine (March 1998)
73 Magazine March 1998 (#450) Truckez-Vous Mon Boat? - Ham friends to the rescue for Voyageur ...... N4UAU 10 Wouldn't You Really Rather Drive A BUIC? - Part 2: software for your interface circuit ...... K8KWD 17 Getting High the Ham Way - Adventures in ATV rocketry ...... KB9MRB 23 High Impedance Analog Volt/Test Meter - Here's a useful gadget to build while you wait for spring! ...... W6WTU 26 Amazin' Hall Tree Vertical - Grab your coat and take your hat ........
Keywords: antenna; radio; amateur; meter; frequency; ham; mhz; power; antennas; amateur radio; radio today; ham radio; web site; power supply; morse code; tte filter; full scale
Downloads: 2,007
[texts]73 Magazine (June 1987)
73 Magazine June 1987 (#321) A Guided Tour of 1.2 GHz - The 23-cm band is Novice Enhancement's least-understood allocation-come on up and see what you've been missing ...... KT2B 24 The Digital Novice - Jim Grubbs leads you through the basics of a ham's digital world -from Sam Morse through packet ...... K9EI 28 Tune In 220 - Convert the GE MASTR-PRO receiver to 220 MHz -it's as easy as winding a few coils ........
Keywords: mhz; amateur; radio; antenna; frequency; data; repeater; novice; amateur radio; data data; circle number; call call; power supply; code practice; front panel; band plan
Downloads: 2,074
[texts]73 Magazine (August 1991)
73 Magazine August 1991 (#371) Poor Man's Packet - A complete software TNC for PC compatibles! ...... WB2EMS, N8KEI 8 Low Cost Discone - Wideband coverage from 144 to 1296 MHz ...... AD5X 24 High Speed Data Acquisition - Sample the outside world with this inexpensive interface ...... N8KDD 28 Software for the Ham Shack, Part IV - Useful ham calculations you can program yourself! ...... WA4BLC 32 Universal CAT Interface - Control your rig with your computer! ........
Keywords: radio; amateur; ham; mhz; antenna; program; packet; frequency; amateur radio; radio today; ham radio; feedback card; radio shack; power supply; matching case; battery pack
Downloads: 2,509
[texts]73 Magazine (September 1996)
73 Magazine September 1996 (#432) The Amateur's Guide to Free Energy Devices - A history and hints for further experimentation ...... WA8YKN 10 Adventures on the Red Sea - DXing in style in an unforgettable setting ...... KA9SOF 20 The Wonderful Twin-T - Its a code oscillator: a transistor, or even a piano! ...... AD4UA 24 A Kite/Balloon-Supported Zepp for 160 Meters - Make your antenna fly high! ........
Keywords: radio; antenna; amateur; ihe; frequency; mhz; ham; arrl; thai; amateur radio; radio today; ham radio; matching case; field day; case set; power supply; free energy
Downloads: 2,234
[texts]73 Magazine (November 1982)
73 Magazine November 1982 (#266) A Perfect "10" - Timer, counter, logic probe - 10 functions in all. That's the Multi-Board One and you can build it ...... WA2BHB 10 Remote Control Your IC-701 - Simpler than commercial controllers, this home-brew circuit nevertheless features push-button band changing and frequency selection scanning, and expanded coverage ...... N2GW 14 Automatic Beam Aimer - Here is the scoop on adding set-and-forget convenience to your rotator control...
Keywords: antenna; output; circuit; mhz; voltage; audio; frequency; magazine; power; power supply; amateur radio; toll free; front panel; circuit board; gmt november; printed circuit; frequency range; fox tango
Downloads: 3,915
[texts]73 Magazine (May 1988)
73 Magazine May 1988 (#332) Why Do Satellites? - More reasons than you can argue against ...... N5BF 11 UoSATS - Space science from Surrey ...... N5AHD 20 OSCAR History - Project OSCAR is nearly 30 years old ...... K6LFH 27 Hamsat Awards - Set your sights high ...... WB5RMA 30 Hard-Line Connector - A little work saves a Lot of money ...... W5PFG 32 Uncle Wayne's Ham Shack Winners - The happiest hams of the month ........
Keywords: amateur; radio; satellite; amateur radio; feedback card; mhz; repeater; oscar; frequency; antenna; ham radio; project oscar; power supply; front panel; ten tec; atv repeater
Downloads: 2,074
[texts]73 Magazine (December 1992)
73 Magazine December 1992 (#387) The Techno-Whizzy 1, Part I - Build a direct digital synthesis (DDS) radio ...... N9JZW 8 The Key to Unlocking the HTX-100 - Improved RIT control ...... AC3L 20 Is 2 Meters Hazardous to Your Health? - How to calculate safety ...... N1II 28 Build a LiTZ Decoder - Touch-tone control your speaker for emergency alerts ...... KA5RZI, N7IOB 30 Iambic Keyer Paddles - A wide array of choices ........
Keywords: radio; amateur; mhz; paddle; ihe; antenna; frequency; ham; digital; amateur radio; radio today; feedback card; power supply; ham radio; contact spacing; radio fun; iambic paddle
Downloads: 3,117
[texts]73 Magazine (July 1987)
73 Magazine July 1987 (#322) The National Championships - Finally, there's a contest where the "Little Gun" has a chance, where guile wins out over gigawatts ...... KE7C 30 The Two-Meter Transverter Project - Build this VMOS transverter and use all of your Kenwood TS-940's bells and whistles -on two meters! ...... W6YUY 32 Big Time Packet - With the help of a mainframe computer, KITE can control a packet station from his desk -or from around the world ........
Keywords: amateur; radio; mhz; antenna; ham; power; frequency; amateur radio; ham radio; power supply; phone remote; base station; battery pack; power supplies; power output
Downloads: 2,806
[texts]73 Magazine (July 1991)
73 Magazine July 1991 (#370) Micro ATV Transmitter - Can the Dick Tracy video wristwatch be far away? ...... KC6CCC 9 Tropo Time Is Now! - Talk thousands of miles on the VHF/UHF bands ...... WB6NOA 14 Antennas by the Yard - HT antennas that realty measure up! ...... WA6TLK 22 The Megaloop - Perfect for megalomaniacs ...... W1GV 29 Lightning Protection - Want some peace of mind? ...... NU1A 32 The Flight of STS-37 - The first "all-ham" crew ........
Keywords: radio; amateur; mhz; antenna; ihe; ham; repeater; atv; frequency; amateur radio; radio today; feedback card; ham radio; power supply; space center; radio club; radio shack
Downloads: 2,254
[texts]73 Magazine (March 1979)
73 Magazine March 1979 (#222) RAM Scan Your KDK - amazing flexibility for $30 ...... WB2JHN 26 The NCX-Match - build something useful ...... WA6NCX/l 32 The Memorizer Goes to MARS - expanded frequency coverage ...... KH6JMU 38 Build a Hybrid Capacity Meter - digital circuitry, analog display ...... WA4HUU 40 Power Plus! - a 20-Amp, adjustable, regulated dc supply ...... W6YUY 42 Reaching for the Top - why stop with the General ticket? ........
Keywords: frequency; mhz; power; output; diode; antenna; amateur; kit; radio; amateur radio; power supply; toll free; front panel; call toll; frequency counter; ham radio; master charge; time base
Downloads: 3,645
[texts]73 Magazine (April 1989)
73 Magazine April 1989 (#343) Hamfest Survival Guide - Tips on how to more wisely shop for hamfest gear ...... WB9IVR, AA4QA 20 Stay With the State Of The Art - Keep in the know without blowing your budget ...... W1UO 52 Powerful Crystal Set - Better reception on a classic no-power rig ...... Haas 12 Quick and Easy 2m/440 MHz Antenna - Ideal for your dual-band HT -and costs pennies to build! ........
Keywords: antenna; radio; amateur; mhz; frequency; meter; antennas; ham; band; amateur radio; feedback card; flea market; packet radio; ham radio; power supply; beep switch; front panel
Downloads: 2,612
[texts]73 Magazine (August 1999)
73 Magazine August 1999 (#466) PIC-based DTMF Project - Build this decoder and learn ...... KC3XM 10 How to Turn a Deaf Ear - with your antenna ...... VK2AT 13 Secrets of Transmission Lines - Part 1: Intro and dummy load project ...... KE2QJ 16 Kiwi SSTV - How they do it in ZL-Iand ...... ZL1AAN 20 All About Op Amps - And then some ...... W2GOM/7 24 The Missing Link: A PSK Interface - Stop just reading about it - put this new mode into action! ........
Keywords: radio; amateur; antenna; ham; power; meter; mfj; ihe; mhz; amateur radio; radio today; power supply; web site; feedback card; solar panel; phase shift; heavy duty
Downloads: 2,179
[texts]73 Magazine (March 1995)
73 Magazine March 1995 (#414) A Practical Weather Satellite Receiving System, Part 1 - Set up your own satellite receiver/decoder ...... ZRBUM 10 HF-5AT Antenna - An easy-to-build dual-band HF satellite antenna ...... AC3L 24 Grounding and lightning Protection, Part 2 - Effective RF grounding for the shack ...... W5UOJ 26 The Azden PCS-7200 - A solid 222 MHz mobile transceiver ...... WB2WIK/6 32 Ham University Interactive - Learn code and theory, and play CW games ........
Keywords: radio; mhz; amateur; antenna; ham; frequency; mfj; output; repeater; amateur radio; radio today; ham radio; feedback card; weather satellite; morse code; case set; power supply
Downloads: 2,484
[texts]73 Magazine (March 1982)
73 Magazine March 1982 (#258) The Porta-Peater The Instant Communicator - quick and easy does it ...... WA2BHB, AC2A, WA2UNN 12 Amateur Television's Stripper - a home-brew star ...... VE3CYC 20 Polishing Kenwood's R-1000 - a gem in the rough ...... K9EUI 34 Peaking and Tweaking Surplus CB Boards - the untold story ...... WB0NPN/8 38 OSCAR Pathfinder - a colorful way to track the satellites ...... WB6NQK 46 Which TVRO Antenna Is Best? - Satellite Central, Part IV ........
Keywords: antenna; amateur; mhz; frequency; radio; power; audio; khz; receiver; amateur radio; power supply; toll free; power output; residents add; hewlett packard; front panel; call toll; frequency range
Downloads: 4,265
[texts]73 Magazine (April 1998)
73 Magazine April 1998 (#451) De-Noising your PC - Cure the transmitter in your PC ...... WA9PYH 11 Modifying Your Ramsey Transceiver Kit - One stop closer to the ultimate ham experience ...... N0BLX 18 Out of Sight, Out of Mind - Discretion is the better part of neighborhood amity. Part 2: Hardware ...... WB4BNU 20 Techno-Trouble for Know-It-Alls - How many of these 50 questions can you answer correctly? ........
Keywords: antenna; radio; amateur; voltage; mhz; frequency; output; loop; power; amateur radio; radio today; feedback card; power supply; output voltage; flea market; single point; web site
Downloads: 2,036
[texts]73 Magazine (May 1990)
73 Magazine May 1990 (#356) SAREX-90 - Ham-In-Space Shuttle Missions ...... W3IWI, WA4SIR, W3XO 9 Sharing the Adventure with Young People - Maritime ham classroom with a conscience ...... KA1UKM 18 An Interview with Carole Perry, WB2MGP - Who's new in ham radio ...... KB2IGG 20 The Biggest Ham Country-Japan - Plus 9600 baud packet and tree antennas ...... WA1LBP 24 Tri-State Anti-Drug Air Show - Amateur radio ops say "Yes" to " Say no" ........
Keywords: radio; amateur; ham; mhz; ihe; antenna; hams; kit; amateur radio; ham radio; met day; feedback card; power supply; packet radio; teur radio; young people
Downloads: 2,694
[texts]73 Magazine (May 1997)
73 Magazine May 1997 (#440) Build an Audio Multiplexer for Your Frequency Counter - Count CTCSS tones without expensive commercial equipment ...... KB8XI 10 Build The Bioelectrifier - Can you heal yourself and take a poke at the medical establishment at the same time? ...... W6WTU 13 Multi-Band Remotely-Tunable Inverted L Antenna - Heres a neat 160-40m wire antenna project using flexible parts-placement techniques ........
Keywords: radio; amateur; antenna; signal; frequency; thai; circuit; ham; amateur radio; radio today; front panel; ham radio; web site; flea market; power supply; frequency counter
Downloads: 2,636
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